Rick Santorum ends 2016 presidential bid after struggling in the polls
And then there were nine.
Rand Paul drops out of GOP presidential race
'Today, I will end where I began.'
The 8 weirdest freakin' things that happened in the 2016 election this week
Democracy has never felt so strange.
Citing network feud, Trump will sit out next Fox News debate
Sen. Rand Paul will fill the Trump-sized hole in the prime-time debate.
Rand Paul goes after Donald Trump and Hillary Clinton on 'The Late Show'
'You want someone with judgment.'
Marco Rubio and Ted Cruz duked it out over NSA surveillance at the fourth GOP debate
Congress recently reformed NSA spying, and Tuesday's GOP debate turned into a referendum on that vote.